drill
Cross references:
1. practice
1. drill \'dril\ vb [D drillen; akin to OHG dra-en to turn] 1: to pierce or
bore with or as if with a drill 2a: to instruct thoroughly 2b: to impart
or communicate by repetition 2c: to train or exercise in military
evolutions and the use of weapons 1: to make a hole with a drill 2: to
engage in an exercise 3: to act like or have the effect of a drill -
drill.er n
2. drill n 1: an instrument with an edged or pointed end for making holes
in hard subs tances by revolving or by a succession of blows; also : such
an instrument with the machine for operating it 2: the act or exercise of
training soldiers in military skill and disciplin e 3a: a physical or
mental exercise aimed at perfecting facility and skill es p. by regular
practice 3b: a formal exercise by a team of marchers chiefly Brit 3c: the
approved or correct procedure for accomplishing something efficient ly 4: a
marine snail (Urosalpinx cinerea) destructive to oysters by bori ng through
their shells and feeding on the soft parts; broadly : any of several
mollusks related to the drill 5: a drilling sound
3. drill n [prob. native name in West Africa] : a West African baboon
(Mandrillus leucophaeus) closely related to the typical mandrills
4. drill n [perh. fr. drill (rill)] 1a: a shallow furrow or trench into
which seed is sown 1b: a row of seed sown in such a furrow 2: a planting
implement that makes holes or furrows, drops in the seed and sometimes
fertilizer, and covers them with earth
5. drill vt 1: to sow (seeds) by dropping along a shallow furrow 2a: to
sow with seed or set with seedlings inserted in drills 2b: to distribute
seed or fertilizer in by means of a drill
6. drill n [short for drilling] : a durable cotton fabric in twill weave